@incollection{WielandHellermann2002,
  author    = {Joachim Wieland and Johannes Hellermann},
  title     = {Die wirtschaftliche Bet{\"a}tigung der Kommunen au{\"s}erhalb ihres Gebiets},
  series = {Zur Reform des Gemeindewirtschaftsrechts},
  editor    = {G{\"u}nter P{\"u}ttner},
  edition   = {1. Aufl.},
  publisher = {Nomos},
  address   = {Baden-Baden},
  isbn      = {3-7890-7806-9},
  pages     = {117 -- 141},
  year      = {2002},
  abstract  = {.},
  language  = {de}
}